准光腔单微带贴片输入阻抗的理论分析
AN ANALYSIS ON INPUT IMPEDANCE OF A SINGLE MICROSTRIP PATCH IN THE QUASI-OPTICAL CAVITY
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摘要: 本文利用并矢格林函数获得了准光腔中的电磁场积分方程。利用矩量法导出了被一个轴向电流源激励的单微带贴片腔的输入阻抗的计算公式。利用本方法对矩形微带贴片的输入阻抗进行了讨论。其结果与微带天线很类似。这对设计微带型准光振荡器有重要的参考价值。Abstract: The electromagnetic field integral equation in the quasi-optical cavity is obtained using the dyadic Green s function. An expression is derived for the input impedance of a single microstrip patch cavity excited by a coaxial probe using method of moment. The input impedance of a rectangular microstrip patch is discussed by this method. The result of this paper is similar to that of the microstrip antenna. There is very important value for designing microstrip quasi-optical oscillator.
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